DTC P0626: Generator Field Terminal Circuit High: Notes

DTC P0626 CHART (MZI-3.7)

DTC P0626	Generator field terminal circuit high
DETECTION CONDITION	The PCM monitors generator load from the generator/regulator in the form of frequency. The concern indicates the input is higher than the load should be in normal operation. The load input could be high when a battery short to ground exists.
POSSIBLE CAUSE	Poor installation of generator terminal Short to power supply between generator terminal RC and PCM terminal 1BF Short to power supply between generator terminal LI and PCM terminal 1O PCM connector or terminal malfunction Open circuit in wiring harness between generator terminal RC and PCM terminal 1BF Poor installation of battery positive terminal Open circuit between generator terminal B and battery positive terminal PCM connector or terminal malfunction
Courtesy of MAZDA MOTORS CORP.